How it works
Diagnosis and Details
Show Related Tags
If I Have Dark Skin Do I Really Need Sunscreen?
Learn about how well skin pigment protects from sunlight
Waterproof Sunscreen: Real or Fake News?
Here is what you need to know about using sunscreens in water
Simran Singh Sandhu
Nano vs Non-Nano Zinc in Sunscreens: Which Is Better?
Particle size matters when it comes to zinc oxide in your sunscreen
SPF Is Important But Don't Skip This Factor in Sunscreens
SPF is not good enough when thinking about sunscreens and UVA protection
Newest Sunscreen Trend: Double Application
Two layers of sunscreen are way better than one
Tammy Wu +1
5 Surprisingly Simple Steps to Guide You to a Great (Not Just Good) Sunscreen
Picking a sunscreen made easy with this how-to Guide
Is Rosacea Genetic?
Can rosacea be passed in the family?
Hadar Lev-Tov, MD MAS
Does Chlorine Break Down Sunscreen?
Hidden effects of the chlorine in your local swimming pool
Raja Sivamani, MD MS AP
What's the Deal with Nanoparticles in Sunscreens?
Learn more about zinc oxide and titanium dioxide nanoparticles
Alexandra Vaughn, MD
SPF Sunscreen limitations & Application Tips
Sunscreen limitations and changes with application density
Sunscreens With Iron Oxide - Importance & Benefits
Sunscreens help filter out ultraviolet (UV) light using two main types of ingredients.
What Is SPF - Different Types Of Protective Sunscreens
SPF stands for sun protection factor, and it is a numerical value assigned to a sunscreen product based upon its ability to prevent sunburn.